Junior enlisted personnel are broken up into five definable groups with colored insignia stripes designating with which group they belong.

Thus, we are the only definable group in the Winter Gardens today who are actually looking forward to Nigel's speech.

The question is whether a person makes that many calls to a definable group of people and whether those people are also MCI customers.

The president talked about three neatly definable groups of insurrectionists.

Within this definition, a species is seen as "the least inclusive monophyletic group definable by at least one autapomorphy."

A genus is not necessarily the lowest definable group of species, for it may often be divided into several subgenera.

A definable and self-defined group supports the book in a happy-clappy, social-media sense.

A crowd is a large and definable group of people.

A policy, for this purpose, is a principle or course of action adopted or proposed by a definable group of people.

Preventing the spread of AIDS beyond definable groups is far easier and cheaper than trying to stop a generalized epidemic.